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部品型式

27C256-15

製品説明
仕様・特性

TMS27C256 32768 BY 8ĆBIT UV ERASABLE TMS27PC256 32768 BY 8ĆBIT PROGRAMMABLE READĆONLY MEMORIES SMLS256H− SEPTEMBER 1984 − REVISED NOVEMBER 1997 D Organization . . . 32 768 by 8 Bits D Single 5-V Power Supply D Pin Compatible With Existing 256K MOS D D D D D D D D VPP A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND ROMs, PROMs, and EPROMs All Inputs / Outputs Fully TTL Compatible Max Access / Min Cycle Time VCC ± 10% ’27C/ PC256-10 100 ns ’27C/ PC256-12 120 ns ’27C/ PC256-15 150 ns ’27C/ PC256-17 170 ns ’27C/ PC256-20 200 ns ’27C/ PC256-25 250 ns Power Saving CMOS Technology Very High-Speed SNAP! Pulse Programming 3-State Output Buffers 400-mV Minimum DC Noise Immunity With Standard TTL Loads Latchup Immunity of 250 mA on All Input and Output Lines Low Power Dissipation ( VCC = 5.5 V ) − Active . . . 165 mW Worst Case − Standby . . . 1.4 mW Worst Case (CMOS Input Levels) Temperature Range Options 256K EPROM Available With MIL-STD-883C Class B High Reliability Processing (SMJ27C256) 1 28 2 27 3 26 4 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 VCC A14 A13 A8 A9 A11 G A10 E DQ7 DQ6 DQ5 DQ4 DQ3 FM PACKAGE ( TOP VIEW ) A7 A12 VPP NU VCC A14 A13 D D J PACKAGE ( TOP VIEW ) 4 A6 A5 A4 A3 A2 A1 A0 NC DQ0 description 3 2 1 32 31 30 5 29 6 28 7 27 8 26 9 25 10 24 11 23 12 22 13 21 A8 A9 A11 NC G A10 E DQ7 DQ6 14 15 16 17 18 19 20 The TMS27PC256 series are 32 768 by 8-bit (262 144-bit), one-time programmmable (OTP) electrically programmable read-only memories (PROMs). DQ1 DQ2 GND NU DQ3 DQ4 DQ5 The TMS27C256 series are 32 768 by 8-bit (262 144-bit), ultraviolet (UV) light erasable, electrically programmable read-only memories (EPROMs). PIN NOMENCLATURE A0 −A14 DQ0 −DQ7 E G GND NC NU VCC VPP Address Inputs Inputs (programming) / Outputs Chip Enable / Powerdown Output Enable Ground No Internal Connection Make No External Connection 5-V Power Supply 13-V Power Supply † † Only in program mode Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright  1997, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 1

ブランド

TI

会社名

Texas Instruments Incorporated

本社国名

U.S.A

事業概要

世界25ヶ国以上に製造・販売拠点を有する国際的な半導体企業であり、デジタル情報家電、ワイヤレス、ブロードバンド市場に欠かせないデジタル信号処理を行うDSPと、それに関連するアナログIC、マイクロコントローラを主力製品としている。

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型式 数量 D/C・lead 備考 選択
27C256-15 14個 N/A N/A

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ca 0001506150000  0092403240000  0102403040000  1012403141052  0122403190000 

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